(19)

(11)

EP 3 939 037 A1

(12)

(43) Date of publication: 19.01.2022 Bulletin 2022/03 (21) Application number: 20717412.9 (22) Date of filing: 10.03.2020

(51) International Patent Classification (IPC):  G11B 5/596(2006.01) G11B 20/12(2006.01) G11B 20/10(2006.01) (52) Cooperative Patent Classification (CPC): G11B 20/10222; G11B 20/1217; G11B 5/59616 (86) International application number: PCT/US2020/021911 (87) International publication number: WO 2020/185792 (17.09.2020 Gazette 2020/38)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 11.03.2019 US 201962816760 P 09.03.2020 US 202016812960 (71) Applicant: Marvell Asia Pte, Ltd. Singapore 369522 (SG)	(72) Inventor: KATCHMART, Supaket San Jose, California 95124 (US) (74) Representative: Grünecker Patent- und Rechtsanwälte PartG mbB  Leopoldstraße 4 80802 München 80802 München (DE)